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2011-06-17remove parser support for the obsolete "multiple return values" syntax, whichChris Lattner
was replaced with return of a "first class aggregate". git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133245 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-17Remove support for using "foo" as symbols instead of %"foo". This is ancientChris Lattner
syntax and has been long obsolete. As usual, updating the tests is the nasty part of this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133242 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-17manually upgrade a bunch of tests to modern syntax, and remove some thatChris Lattner
are either unreduced or only test old syntax. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133228 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-03Fix wrong usages of CTR/MCTR where CTR8/MCTR8 was meant.Roman Divacky
- Check for MTCTR8 in addition to MTCTR when looking up a hazard. - When lowering an indirect call use CTR8 when targeting 64bit. - Introduce BCTR8 that uses CTR8 and use it on 64bit when expanding ISD::BRIND. The last change fixes PR8487. With those changes, we are able to compile a running "ls" and "sh" on FreeBSD/PowerPC64. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132552 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-04FileCheckize and break dependence on coalescing order.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130856 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-04Explicitly request -join-physregs for some tests that depend on it.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130855 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-02Add 130690 back.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130693 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-02Revert while I debug the tests that use march but not mtriple.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130691 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-02Move ppc OS X to cfi too. I am building it on an old ppc mini, but it will ↵Rafael Espindola
take some time. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130690 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-01Add r130623 back now that ELF has been fixed to work with -fno-dwarf2-cfi-asm.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130658 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-30Revert the previous patch while I figure out how to make llvm-gccRafael Espindola
less agressive about disabling cfi on linux :-( git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130626 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-30Enable CFI on OS X.Rafael Espindola
Currently the output should be almost identical to the one produced by CodeGen to make the transition easier. The only two differences I know of are: * Some files get an extra advance loc of size 0. This will be fixed when relaxations are enabled. * The optimization of declaring an EH symbol as an external variable is not implemented. This is a subset of adding the nounwind attribute, so we if really this at -O0 we should probably do it at the IL level. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130623 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-05These tests no longer require linear scan because reserved register ↵Jakob Stoklund Olesen
coalescing is now universal. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128936 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-04Disable the PowerPC/Atomics-64 test.Jakob Stoklund Olesen
The code inserted by PPCTargetLowering::EmitInstrWithCustomInserter for ppc64 is wrong, and I don't know how to fix it. It seems to be using the correct register classes for pointers, but it inserts all 32-bit instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128835 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-04Fix PowerPC tests to be register allocator independent.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128827 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-09Fix mistyped CHECK lines.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127366 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-04Be nice to Xcore and the XMOS assembler and avoid quoting section namesJoerg Sonnenberger
that contain only letters, digits and the characters "_" and ".". git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127028 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-03Bug#9033: For the ELF assembler output, always quote the section name.Joerg Sonnenberger
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126963 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-18Restore the behavior of frame lowering before my refactoring.Anton Korobeynikov
It turns out that ppc backend has really weird interdependencies over different hooks and all stuff is fragile wrt small changes. This should fix PR8749 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122155 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-06If dbg_declare() or dbg_value() is not lowered by isel then emit DEBUG ↵Devang Patel
message instead of creating DBG_VALUE for undefined value in reg0. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121059 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-15remove a pointless testcase.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119119 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-15remove some extraneous quotes to make the new instprinter match.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119104 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-14add some nounwind's.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119086 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-02Inline asm mult-alt constraint tests.John Thompson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118107 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-11PowerPC varargs functions store live-in registers on the stack. Make sure we useJakob Stoklund Olesen
virtual registers for those stores since RegAllocFast requires that each live physreg only be used once. This fixes PR8357. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116222 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-10force a triple, varargs isn't supported with the SVR4 ABI the buildbot tells me.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116170 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-10fix the expansion of va_arg instruction on PPC to know the arg Chris Lattner
alignment for PPC32/64, avoiding some masking operations. llvm-gcc expands vaarg inline instead of using the instruction so it has never hit this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116168 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-27the latest assembler that runs on powerpc 10.4 machines doesn'tChris Lattner
support aligned comm. Detect when compiling for 10.4 and don't emit an alignment for comm. THis will hopefully fix PR8198. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114817 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-02PR7781: Fix incorrect shifting in PPCTargetLowering::LowerBUILD_VECTOR.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109998 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-16Consider this function:Bill Wendling
void foo() { __builtin_unreachable(); } It will output the following on Darwin X86: _func1: Leh_func_begin0: pushq %rbp Ltmp0: movq %rsp, %rbp Ltmp1: Leh_func_end0: This prolog adds a new Call Frame Information (CFI) row to the FDE with an address that is not within the address range of the code it describes -- part is equal to the end of the function -- and therefore results in an invalid EH frame. If we emit a nop in this situation, then the CFI row is now within the address range. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108568 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-15Revert. This isn't the correct way to go.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108478 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-15Handle code gen for the unreachable instruction if it's the only instruction inBill Wendling
the function. We'll just turn it into a "trap" instruction instead. The problem with not handling this is that it might generate a prologue without the equivalent epilogue to go with it: $ cat t.ll define void @foo() { entry: unreachable } $ llc -o - t.ll -relocation-model=pic -disable-fp-elim -unwind-tables .section __TEXT,__text,regular,pure_instructions .globl _foo .align 4, 0x90 _foo: ## @foo Leh_func_begin0: ## BB#0: ## %entry pushq %rbp Ltmp0: movq %rsp, %rbp Ltmp1: Leh_func_end0: ... The unwind tables then have bad data in them causing all sorts of problems. Fixes <rdar://problem/8096481>. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108473 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-06Fix up -fstack-protector on linux to use the segmentEric Christopher
registers. Split out testcases per architecture and os now. Patch from Nelson Elhage. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107640 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-01Implement the "linker_private_weak" linkage type. This will be used forBill Wendling
Objective-C metadata types which should be marked as "weak", but which the linker will remove upon final linkage. However, this linkage isn't specific to Objective-C. For example, the "objc_msgSend_fixup_alloc" symbol is defined like this: .globl l_objc_msgSend_fixup_alloc .weak_definition l_objc_msgSend_fixup_alloc .section __DATA, __objc_msgrefs, coalesced .align 3 l_objc_msgSend_fixup_alloc: .quad _objc_msgSend_fixup .quad L_OBJC_METH_VAR_NAME_1 This is different from the "linker_private" linkage type, because it can't have the metadata defined with ".weak_definition". Currently only supported on Darwin platforms. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107433 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-24Eliminate the other half of the BRCOND optimization, and updateDan Gohman
as many tests as possible. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106749 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-24Eliminate the first have of the optimization which eliminates BRCONDDan Gohman
when the condition is constant. This optimization shouldn't be necessary, because codegen shouldn't be able to find dead control paths that the IR-level optimizer can't find. And it's undesirable, because it encourages bugpoint to leave "br i1 false" branches in its output. And it wasn't updating the CFG. I updated all the tests I could, but some tests are too reduced and I wasn't able to meaningfully preserve them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106748 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-15Remove the local register allocator.Jakob Stoklund Olesen
Please use the fast allocator instead. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106051 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-28Fix some latency computation bugs: if the use is not a machine opcode do not ↵Evan Cheng
just return zero. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105061 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-17Only use clairvoyance when defining a register, and then only if it has one use.Jakob Stoklund Olesen
This makes allocation independent on the ordering of use-def chains. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103935 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-13Take allocation hints from copy instructions to/from physregs.Jakob Stoklund Olesen
This causes way more identity copies to be generated, ripe for coalescing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103686 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-12Enable a bunch more -regalloc=fast testsJakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103531 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-03Implement builtin_return_address(x) and builtin_frame_address(x) Dale Johannesen
on PPC for x!=0. 7624113. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102972 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-02Remove the -enable-sjlj-eh option, which doesn't do anything.Duncan Sands
Remove the -enable-eh option which is only used by the JIT, and replace it with -jit-enable-eh. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102865 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-26on darwin empty functions need to codegen into something of non-zero length,Chris Lattner
otherwise labels get incorrectly merged. We handled this by emitting a ".byte 0", but this isn't correct on thumb/arm targets where the text segment needs to be a multiple of 2/4 bytes. Handle this by emitting a noop. This is more gross than it should be because arm/ppc are not fully mc'ized yet. This fixes rdar://7908505 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102400 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-20Bill's change in r95336 broke empty aggregates embeddedChris Lattner
in other types. fix this by only bumping zero-byte globals up to a single byte if the *entire global* is zero size, fixing PR6340. This also fixes empty arrays etc to be handled correctly, and only does this on subsection-via-symbols targets (aka darwin) which is the only place where this matters. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101879 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-17Start function numbering at 0.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101638 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07add newlines at the end of files.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100705 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07Split big test into multiple directories to cater toDale Johannesen
those who don't build all targets. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100688 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-02After trivial coalescing, the MI being visited may have become a copy. Avoid ↵Evan Cheng
adding it to CSE hash table since copies aren't being considered for CSE and they may be deleted. rdar://7819990 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100170 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-28add some nounwindsChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99752 91177308-0d34-0410-b5e6-96231b3b80d8
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